13290387 has 8 divisors (see below), whose sum is σ = 19331520. Its totient is φ = 8054760.

The previous prime is 13290383. The next prime is 13290391. The reversal of 13290387 is 78309231.

It is an interprime number because it is at equal distance from previous prime (13290383) and next prime (13290391).

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

It is not a de Polignac number, because 13290387 - 2² = 13290383 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 402739 = 13290387 / (1 + 3 + 2 + 9 + 0 + 3 + 8 + 7).

It is not an unprimeable number, because it can be changed into a prime (13290383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201337 + ... + 201402.

It is an arithmetic number, because the mean of its divisors is an integer number (2416440).

Almost surely, 2^13290387 is an apocalyptic number.

13290387 is a deficient number, since it is larger than the sum of its proper divisors (6041133).

13290387 is a wasteful number, since it uses less digits than its factorization.

13290387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402753.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 13290387 is about 3645.5983048054. The cubic root of 13290387 is about 236.8713539213.

The spelling of 13290387 in words is "thirteen million, two hundred ninety thousand, three hundred eighty-seven".