13142426 has 8 divisors (see below), whose sum is σ = 21505824. Its totient is φ = 5973820.

The previous prime is 13142417. The next prime is 13142431. The reversal of 13142426 is 62424131.

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

It is a super-2 number, since 2×13142426² = 345446722330952, which contains 22 as substring.

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, 298670 + ... + 298713.

It is an arithmetic number, because the mean of its divisors is an integer number (2688228).

Almost surely, 2^13142426 is an apocalyptic number.

13142426 is a deficient number, since it is larger than the sum of its proper divisors (8363398).

13142426 is a wasteful number, since it uses less digits than its factorization.

13142426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597396.

The product of its digits is 1152, while the sum is 23.

The square root of 13142426 is about 3625.2484052820. The cubic root of 13142426 is about 235.9890471791.

Adding to 13142426 its reverse (62424131), we get a palindrome (75566557).

The spelling of 13142426 in words is "thirteen million, one hundred forty-two thousand, four hundred twenty-six".