13503690 has 24 divisors (see below), whose sum is σ = 35109828. Its totient is φ = 3600960.

The previous prime is 13503673. The next prime is 13503709. The reversal of 13503690 is 9630531.

It can be written as a sum of positive squares in 2 ways, for example, as 13329801 + 173889 = 3651^2 + 417^2 .

It is a super-2 number, since 2×13503690² = 364699287232200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74931 + ... + 75110.

Almost surely, 2^13503690 is an apocalyptic number.

13503690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13503690 is an abundant number, since it is smaller than the sum of its proper divisors (21606138).

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

13503690 is a wasteful number, since it uses less digits than its factorization.

13503690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150054 (or 150051 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 27.

The square root of 13503690 is about 3674.7367252635. The cubic root of 13503690 is about 238.1318503000.

The spelling of 13503690 in words is "thirteen million, five hundred three thousand, six hundred ninety".