13165490 has 16 divisors (see below), whose sum is σ = 25521048. Its totient is φ = 4861056.

The previous prime is 13165489. The next prime is 13165501. The reversal of 13165490 is 9456131.

13165490 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 11580409 + 1585081 = 3403^2 + 1259^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50507 + ... + 50766.

Almost surely, 2^13165490 is an apocalyptic number.

13165490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13165490 is a deficient number, since it is larger than the sum of its proper divisors (12355558).

13165490 is a wasteful number, since it uses less digits than its factorization.

13165490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101293.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 13165490 is about 3628.4280342870. The cubic root of 13165490 is about 236.1270143639.

The spelling of 13165490 in words is "thirteen million, one hundred sixty-five thousand, four hundred ninety".