13942215 has 36 divisors (see below), whose sum is σ = 28116504. Its totient is φ = 6372576.

The previous prime is 13942177. The next prime is 13942217. The reversal of 13942215 is 51224931.

It is not a de Polignac number, because 13942215 - 2⁶ = 13942151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13942217) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 957 + ... + 5366.

It is an arithmetic number, because the mean of its divisors is an integer number (781014).

Almost surely, 2^13942215 is an apocalyptic number.

13942215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13942215 is an abundant number, since it is smaller than the sum of its proper divisors (14174289).

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

13942215 is a wasteful number, since it uses less digits than its factorization.

13942215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6348 (or 6338 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 13942215 is about 3733.9275568763. The cubic root of 13942215 is about 240.6821737420.

The spelling of 13942215 in words is "thirteen million, nine hundred forty-two thousand, two hundred fifteen".