13629742 has 12 divisors (see below), whose sum is σ = 23782680. Its totient is φ = 5841276.

The previous prime is 13629697. The next prime is 13629751. The reversal of 13629742 is 24792631.

It is a junction number, because it is equal to n+sod(n) for n = 13629698 and 13629707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69442 + ... + 69637.

It is an arithmetic number, because the mean of its divisors is an integer number (1981890).

Almost surely, 2^13629742 is an apocalyptic number.

13629742 is a deficient number, since it is larger than the sum of its proper divisors (10152938).

13629742 is a wasteful number, since it uses less digits than its factorization.

13629742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139095 (or 139088 counting only the distinct ones).

The product of its digits is 18144, while the sum is 34.

The square root of 13629742 is about 3691.8480467105. The cubic root of 13629742 is about 238.8705145253.

The spelling of 13629742 in words is "thirteen million, six hundred twenty-nine thousand, seven hundred forty-two".