13487039 has 8 divisors (see below), whose sum is σ = 14305632. Its totient is φ = 12687840.

The previous prime is 13487027. The next prime is 13487051. The reversal of 13487039 is 93078431.

It is an interprime number because it is at equal distance from previous prime (13487027) and next prime (13487051).

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

It is a cyclic number.

It is not a de Polignac number, because 13487039 - 2¹² = 13482943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13487339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3404 + ... + 6209.

It is an arithmetic number, because the mean of its divisors is an integer number (1788204).

Almost surely, 2^13487039 is an apocalyptic number.

13487039 is a deficient number, since it is larger than the sum of its proper divisors (818593).

13487039 is an equidigital number, since it uses as much as digits as its factorization.

13487039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9697.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 13487039 is about 3672.4704219367. The cubic root of 13487039 is about 238.0339322662.

The spelling of 13487039 in words is "thirteen million, four hundred eighty-seven thousand, thirty-nine".