13612489 has 4 divisors (see below), whose sum is σ = 14850000. Its totient is φ = 12374980.

The previous prime is 13612471. The next prime is 13612507. The reversal of 13612489 is 98421631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (13612471) and next prime (13612507).

It is a cyclic number.

It is not a de Polignac number, because 13612489 - 2⁹ = 13611977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13612289) 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, 618739 + ... + 618760.

It is an arithmetic number, because the mean of its divisors is an integer number (3712500).

Almost surely, 2^13612489 is an apocalyptic number.

It is an amenable number.

13612489 is a deficient number, since it is larger than the sum of its proper divisors (1237511).

13612489 is a wasteful number, since it uses less digits than its factorization.

13612489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237510.

The product of its digits is 10368, while the sum is 34.

The square root of 13612489 is about 3689.5106721624. The cubic root of 13612489 is about 238.7696817743.

The spelling of 13612489 in words is "thirteen million, six hundred twelve thousand, four hundred eighty-nine".