13614638 has 4 divisors (see below), whose sum is σ = 20421960. Its totient is φ = 6807318.

The previous prime is 13614607. The next prime is 13614677. The reversal of 13614638 is 83641631.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3403658 + ... + 3403661.

It is an arithmetic number, because the mean of its divisors is an integer number (5105490).

Almost surely, 2^13614638 is an apocalyptic number.

13614638 is a deficient number, since it is larger than the sum of its proper divisors (6807322).

13614638 is an equidigital number, since it uses as much as digits as its factorization.

13614638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6807321.

The product of its digits is 10368, while the sum is 32.

The square root of 13614638 is about 3689.8018917010. The cubic root of 13614638 is about 238.7822459484.

The spelling of 13614638 in words is "thirteen million, six hundred fourteen thousand, six hundred thirty-eight".