13135774 has 4 divisors (see below), whose sum is σ = 19703664. Its totient is φ = 6567886.

The previous prime is 13135739. The next prime is 13135789. The reversal of 13135774 is 47753131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47753131 = 137 ⋅348563.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3283942 + ... + 3283945.

It is an arithmetic number, because the mean of its divisors is an integer number (4925916).

Almost surely, 2^13135774 is an apocalyptic number.

13135774 is a deficient number, since it is larger than the sum of its proper divisors (6567890).

13135774 is an equidigital number, since it uses as much as digits as its factorization.

13135774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6567889.

The product of its digits is 8820, while the sum is 31.

The square root of 13135774 is about 3624.3308347887. The cubic root of 13135774 is about 235.9492254074.

The spelling of 13135774 in words is "thirteen million, one hundred thirty-five thousand, seven hundred seventy-four".