14693639 has 4 divisors (see below), whose sum is σ = 14768424. Its totient is φ = 14618856.

The previous prime is 14693617. The next prime is 14693641. The reversal of 14693639 is 93639641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93639641 = 2719 ⋅34439.

It is a cyclic number.

It is not a de Polignac number, because 14693639 - 2⁸ = 14693383 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14693596 and 14693605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14693689) 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, 37097 + ... + 37490.

It is an arithmetic number, because the mean of its divisors is an integer number (3692106).

Almost surely, 2^14693639 is an apocalyptic number.

14693639 is a deficient number, since it is larger than the sum of its proper divisors (74785).

14693639 is an equidigital number, since it uses as much as digits as its factorization.

14693639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74784.

The product of its digits is 104976, while the sum is 41.

The square root of 14693639 is about 3833.2282739226. The cubic root of 14693639 is about 244.9306425914.

The spelling of 14693639 in words is "fourteen million, six hundred ninety-three thousand, six hundred thirty-nine".