13260690 has 24 divisors (see below), whose sum is σ = 34478028. Its totient is φ = 3536160.

The previous prime is 13260679. The next prime is 13260701. The reversal of 13260690 is 9606231.

It is a happy number.

13260690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13260679) and next prime (13260701).

It can be written as a sum of positive squares in 2 ways, for example, as 13198689 + 62001 = 3633^2 + 249^2 .

It is a super-2 number, since 2×13260690² = 351691798552200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73581 + ... + 73760.

Almost surely, 2^13260690 is an apocalyptic number.

13260690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13260690 is an abundant number, since it is smaller than the sum of its proper divisors (21217338).

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

13260690 is a wasteful number, since it uses less digits than its factorization.

13260690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147354 (or 147351 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 13260690 is about 3641.5230330179. The cubic root of 13260690 is about 236.6947948670.

The spelling of 13260690 in words is "thirteen million, two hundred sixty thousand, six hundred ninety".