13426402 has 24 divisors (see below), whose sum is σ = 22383900. Its totient is φ = 6035040.

The previous prime is 13426397. The next prime is 13426403. The reversal of 13426402 is 20462431.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12467961 + 958441 = 3531^2 + 979^2 .

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (13426403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26124 + ... + 26632.

Almost surely, 2^13426402 is an apocalyptic number.

13426402 is a deficient number, since it is larger than the sum of its proper divisors (8957498).

13426402 is a wasteful number, since it uses less digits than its factorization.

13426402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642 (or 631 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 13426402 is about 3664.2055073372. The cubic root of 13426402 is about 237.6766670742.

Adding to 13426402 its reverse (20462431), we get a palindrome (33888833).

It can be divided in two parts, 1342 and 6402, that added together give a square (7744 = 88²).

The spelling of 13426402 in words is "thirteen million, four hundred twenty-six thousand, four hundred two".