13972158 has 24 divisors (see below), whose sum is σ = 30360096. Its totient is φ = 4644000.

The previous prime is 13972151. The next prime is 13972169. The reversal of 13972158 is 85127931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13972151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6858 + ... + 8658.

It is an arithmetic number, because the mean of its divisors is an integer number (1265004).

Almost surely, 2^13972158 is an apocalyptic number.

13972158 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13972158 is an abundant number, since it is smaller than the sum of its proper divisors (16387938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13972158 is a wasteful number, since it uses less digits than its factorization.

13972158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2240 (or 2237 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 13972158 is about 3737.9349914090. The cubic root of 13972158 is about 240.8543509100.

The spelling of 13972158 in words is "thirteen million, nine hundred seventy-two thousand, one hundred fifty-eight".