13161370 has 16 divisors (see below), whose sum is σ = 23741928. Its totient is φ = 5253120.

The previous prime is 13161347. The next prime is 13161371. The reversal of 13161370 is 7316131.

13161370 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 13111641 + 49729 = 3621^2 + 223^2 .

It is not an unprimeable number, because it can be changed into a prime (13161371) 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, 4630 + ... + 6910.

Almost surely, 2^13161370 is an apocalyptic number.

13161370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13161370 is a deficient number, since it is larger than the sum of its proper divisors (10580558).

13161370 is a wasteful number, since it uses less digits than its factorization.

13161370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2865.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 13161370 is about 3627.8602508917. The cubic root of 13161370 is about 236.1023806486.

It can be divided in two parts, 13161 and 370, that added together give a palindrome (13531).

The spelling of 13161370 in words is "thirteen million, one hundred sixty-one thousand, three hundred seventy".