13270290 has 32 divisors (see below), whose sum is σ = 34744896. Its totient is φ = 3216960.

The previous prime is 13270277. The next prime is 13270291. The reversal of 13270290 is 9207231.

13270290 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13270290² = 352201193368200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13270290.

It is not an unprimeable number, because it can be changed into a prime (13270291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19777 + ... + 20436.

It is an arithmetic number, because the mean of its divisors is an integer number (1085778).

Almost surely, 2^13270290 is an apocalyptic number.

13270290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13270290 is an abundant number, since it is smaller than the sum of its proper divisors (21474606).

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

13270290 is a wasteful number, since it uses less digits than its factorization.

13270290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40234.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 13270290 is about 3642.8409243336. The cubic root of 13270290 is about 236.7518990328.

The spelling of 13270290 in words is "thirteen million, two hundred seventy thousand, two hundred ninety".