13144770 has 48 divisors (see below), whose sum is σ = 35979840. Its totient is φ = 3320352.

The previous prime is 13144741. The next prime is 13144771. The reversal of 13144770 is 7744131.

It is not an unprimeable number, because it can be changed into a prime (13144771) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2134 + ... + 5553.

It is an arithmetic number, because the mean of its divisors is an integer number (749580).

Almost surely, 2^13144770 is an apocalyptic number.

13144770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13144770 is an abundant number, since it is smaller than the sum of its proper divisors (22835070).

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

13144770 is a wasteful number, since it uses less digits than its factorization.

13144770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7719 (or 7716 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 13144770 is about 3625.5716790597. The cubic root of 13144770 is about 236.0030761832.

It can be divided in two parts, 1314 and 4770, that added together give a square (6084 = 78²).

The spelling of 13144770 in words is "thirteen million, one hundred forty-four thousand, seven hundred seventy".