13903242 has 16 divisors (see below), whose sum is σ = 28263072. Its totient is φ = 4558320.

The previous prime is 13903217. The next prime is 13903243. The reversal of 13903242 is 24230931.

It is a super-2 number, since 2×13903242² = 386600276221128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13903243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18628 + ... + 19359.

It is an arithmetic number, because the mean of its divisors is an integer number (1766442).

Almost surely, 2^13903242 is an apocalyptic number.

13903242 is an abundant number, since it is smaller than the sum of its proper divisors (14359830).

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

13903242 is a wasteful number, since it uses less digits than its factorization.

13903242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38053.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 13903242 is about 3728.7051371756. The cubic root of 13903242 is about 240.4577029507.

The spelling of 13903242 in words is "thirteen million, nine hundred three thousand, two hundred forty-two".