13461720 has 32 divisors (see below), whose sum is σ = 40385520. Its totient is φ = 3589760.

The previous prime is 13461697. The next prime is 13461727. The reversal of 13461720 is 2716431.

13461720 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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 (13461727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55971 + ... + 56210.

Almost surely, 2^13461720 is an apocalyptic number.

13461720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13461720 is an abundant number, since it is smaller than the sum of its proper divisors (26923800).

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

13461720 is a wasteful number, since it uses less digits than its factorization.

13461720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112195 (or 112191 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 13461720 is about 3669.0216679655. The cubic root of 13461720 is about 237.8848865442.

The spelling of 13461720 in words is "thirteen million, four hundred sixty-one thousand, seven hundred twenty".