13942755 has 24 divisors (see below), whose sum is σ = 24465168. Its totient is φ = 7344576.

The previous prime is 13942741. The next prime is 13942757. The reversal of 13942755 is 55724931.

13942755 = 252² + 253² + ... + 386².

It is a Cunningham number, because it is equal to 3734²-1.

It is not a de Polignac number, because 13942755 - 2¹⁰ = 13941731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13942757) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1869 + ... + 5601.

It is an arithmetic number, because the mean of its divisors is an integer number (1019382).

Almost surely, 2^13942755 is an apocalyptic number.

13942755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13942755 is a deficient number, since it is larger than the sum of its proper divisors (10522413).

13942755 is a wasteful number, since it uses less digits than its factorization.

13942755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3827 (or 3824 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 13942755 is about 3733.9998660953. Note that the first 3 decimals coincide. The cubic root of 13942755 is about 240.6852810124.

The spelling of 13942755 in words is "thirteen million, nine hundred forty-two thousand, seven hundred fifty-five".