13426157 has 4 divisors (see below), whose sum is σ = 13438656. Its totient is φ = 13413660.

The previous prime is 13426121. The next prime is 13426187. The reversal of 13426157 is 75162431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75162431 = 61 ⋅1232171.

It is a cyclic number.

It is not a de Polignac number, because 13426157 - 2⁶ = 13426093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13426117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4469 + ... + 6842.

It is an arithmetic number, because the mean of its divisors is an integer number (3359664).

Almost surely, 2^13426157 is an apocalyptic number.

It is an amenable number.

13426157 is a deficient number, since it is larger than the sum of its proper divisors (12499).

13426157 is a wasteful number, since it uses less digits than its factorization.

13426157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12498.

The product of its digits is 5040, while the sum is 29.

The square root of 13426157 is about 3664.1720756537. The cubic root of 13426157 is about 237.6752213869.

Adding to 13426157 its reverse (75162431), we get a palindrome (88588588).

The spelling of 13426157 in words is "thirteen million, four hundred twenty-six thousand, one hundred fifty-seven".