14261639 has 4 divisors (see below), whose sum is σ = 16299024. Its totient is φ = 12224256.

The previous prime is 14261579. The next prime is 14261651. The reversal of 14261639 is 93616241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93616241 = 337 ⋅277793.

It is a cyclic number.

It is not a de Polignac number, because 14261639 - 2⁸ = 14261383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14261239) 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, 1018682 + ... + 1018695.

It is an arithmetic number, because the mean of its divisors is an integer number (4074756).

Almost surely, 2^14261639 is an apocalyptic number.

14261639 is a deficient number, since it is larger than the sum of its proper divisors (2037385).

14261639 is an equidigital number, since it uses as much as digits as its factorization.

14261639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2037384.

The product of its digits is 7776, while the sum is 32.

The square root of 14261639 is about 3776.4585261856. The cubic root of 14261639 is about 242.5063674950.

The spelling of 14261639 in words is "fourteen million, two hundred sixty-one thousand, six hundred thirty-nine".