13942394 has 12 divisors (see below), whose sum is σ = 21200634. Its totient is φ = 6876792.

The previous prime is 13942387. The next prime is 13942399. The reversal of 13942394 is 49324931.

It can be written as a sum of positive squares in only one way, i.e., 13786369 + 156025 = 3713^2 + 395^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13942399) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11924 + ... + 13040.

Almost surely, 2^13942394 is an apocalyptic number.

13942394 is a deficient number, since it is larger than the sum of its proper divisors (7258240).

13942394 is an equidigital number, since it uses as much as digits as its factorization.

13942394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277 (or 1198 counting only the distinct ones).

The product of its digits is 23328, while the sum is 35.

The square root of 13942394 is about 3733.9515261985. The cubic root of 13942394 is about 240.6832037535.

It can be divided in two parts, 1394 and 2394, that multiplied together give a triangular number (3337236 = T₂₅₈₃).

The spelling of 13942394 in words is "thirteen million, nine hundred forty-two thousand, three hundred ninety-four".