13649942 has 8 divisors (see below), whose sum is σ = 21552600. Its totient is φ = 6465744.

The previous prime is 13649917. The next prime is 13649953. The reversal of 13649942 is 24994631.

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

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 359209 = 13649942 / (1 + 3 + 6 + 4 + 9 + 9 + 4 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 13649896 and 13649905.

It is a congruent number.

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, 179567 + ... + 179642.

It is an arithmetic number, because the mean of its divisors is an integer number (2694075).

Almost surely, 2^13649942 is an apocalyptic number.

13649942 is a deficient number, since it is larger than the sum of its proper divisors (7902658).

13649942 is a wasteful number, since it uses less digits than its factorization.

13649942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359230.

The product of its digits is 46656, while the sum is 38.

The square root of 13649942 is about 3694.5827910604. The cubic root of 13649942 is about 238.9884625302.

The spelling of 13649942 in words is "thirteen million, six hundred forty-nine thousand, nine hundred forty-two".