14991637 has 16 divisors (see below), whose sum is σ = 16796160. Its totient is φ = 13312768.

The previous prime is 14991619. The next prime is 14991659. The reversal of 14991637 is 73619941.

It is not a de Polignac number, because 14991637 - 2¹⁵ = 14958869 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14991637.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14991617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22848 + ... + 23494.

It is an arithmetic number, because the mean of its divisors is an integer number (1049760).

Almost surely, 2^14991637 is an apocalyptic number.

14991637 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

14991637 is a deficient number, since it is larger than the sum of its proper divisors (1804523).

14991637 is a wasteful number, since it uses less digits than its factorization.

14991637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740.

The product of its digits is 40824, while the sum is 40.

The square root of 14991637 is about 3871.9035370216. The cubic root of 14991637 is about 246.5753657313.

It can be divided in two parts, 1499 and 1637, that added together give a square (3136 = 56²).

The spelling of 14991637 in words is "fourteen million, nine hundred ninety-one thousand, six hundred thirty-seven".