44126013 has 4 divisors (see below), whose sum is σ = 58834688. Its totient is φ = 29417340.

The previous prime is 44126009. The next prime is 44126057. The reversal of 44126013 is 31062144.

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.

It is not a de Polignac number, because 44126013 - 2² = 44126009 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 (44126413) 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, 7354333 + ... + 7354338.

It is an arithmetic number, because the mean of its divisors is an integer number (14708672).

Almost surely, 2^44126013 is an apocalyptic number.

It is an amenable number.

44126013 is a deficient number, since it is larger than the sum of its proper divisors (14708675).

44126013 is a wasteful number, since it uses less digits than its factorization.

44126013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14708674.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 44126013 is about 6642.7413768714. The cubic root of 44126013 is about 353.3715348712.

Adding to 44126013 its reverse (31062144), we get a palindrome (75188157).

The spelling of 44126013 in words is "forty-four million, one hundred twenty-six thousand, thirteen".