13288970 has 8 divisors (see below), whose sum is σ = 23920164. Its totient is φ = 5315584.

The previous prime is 13288967. The next prime is 13288973. The reversal of 13288970 is 7988231.

It is an interprime number because it is at equal distance from previous prime (13288967) and next prime (13288973).

It can be written as a sum of positive squares in 2 ways, for example, as 12369289 + 919681 = 3517^2 + 959^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (13288973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 664439 + ... + 664458.

Almost surely, 2^13288970 is an apocalyptic number.

13288970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13288970 is a deficient number, since it is larger than the sum of its proper divisors (10631194).

13288970 is a wasteful number, since it uses less digits than its factorization.

13288970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328904.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 13288970 is about 3645.4039556680. The cubic root of 13288970 is about 236.8629353393.

The spelling of 13288970 in words is "thirteen million, two hundred eighty-eight thousand, nine hundred seventy".