13551072 has 24 divisors (see below), whose sum is σ = 35571816. Its totient is φ = 4516992.

The previous prime is 13551067. The next prime is 13551077. The reversal of 13551072 is 27015531.

13551072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13551067) and next prime (13551077).

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13551077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70483 + ... + 70674.

It is an arithmetic number, because the mean of its divisors is an integer number (1482159).

Almost surely, 2^13551072 is an apocalyptic number.

13551072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13551072 is an abundant number, since it is smaller than the sum of its proper divisors (22020744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13551072 is a wasteful number, since it uses less digits than its factorization.

13551072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141170 (or 141162 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 13551072 is about 3681.1780723024. The cubic root of 13551072 is about 238.4100456707.

The spelling of 13551072 in words is "thirteen million, five hundred fifty-one thousand, seventy-two".