13880242 has 8 divisors (see below), whose sum is σ = 21004956. Its totient is φ = 6878592.

The previous prime is 13880231. The next prime is 13880257. The reversal of 13880242 is 24208831.

It can be written as a sum of positive squares in 2 ways, for example, as 11566801 + 2313441 = 3401^2 + 1521^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×13880242² = 385322235957128, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13880242.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30483 + ... + 30934.

Almost surely, 2^13880242 is an apocalyptic number.

13880242 is a deficient number, since it is larger than the sum of its proper divisors (7124714).

13880242 is a wasteful number, since it uses less digits than its factorization.

13880242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61532.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 13880242 is about 3725.6196799996. The cubic root of 13880242 is about 240.3250341417.

The spelling of 13880242 in words is "thirteen million, eight hundred eighty thousand, two hundred forty-two".