13090742 has 36 divisors (see below), whose sum is σ = 23772420. Its totient is φ = 5390280.

The previous prime is 13090729. The next prime is 13090757. The reversal of 13090742 is 24709031.

It is a super-2 number, since 2×13090742² = 342735052221128, which contains 22 as substring.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 94109 + ... + 94247.

It is an arithmetic number, because the mean of its divisors is an integer number (660345).

Almost surely, 2^13090742 is an apocalyptic number.

13090742 is a deficient number, since it is larger than the sum of its proper divisors (10681678).

13090742 is a wasteful number, since it uses less digits than its factorization.

13090742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 13090742 is about 3618.1130441157. The cubic root of 13090742 is about 235.6792900252.

Adding to 13090742 its reverse (24709031), we get a palindrome (37799773).

The spelling of 13090742 in words is "thirteen million, ninety thousand, seven hundred forty-two".