44120013 has 8 divisors (see below), whose sum is σ = 67230528. Its totient is φ = 25211424.

The previous prime is 44119987. The next prime is 44120029. The reversal of 44120013 is 31002144.

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

It is not a de Polignac number, because 44120013 - 2⁶ = 44119949 is a prime.

It is a super-3 number, since 3×44120013³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44119974 and 44120001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44120053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1050456 + ... + 1050497.

It is an arithmetic number, because the mean of its divisors is an integer number (8403816).

Almost surely, 2^44120013 is an apocalyptic number.

It is an amenable number.

44120013 is a deficient number, since it is larger than the sum of its proper divisors (23110515).

44120013 is a wasteful number, since it uses less digits than its factorization.

44120013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100963.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 44120013 is about 6642.2897407445. The cubic root of 44120013 is about 353.3555176728.

Adding to 44120013 its reverse (31002144), we get a palindrome (75122157).

The spelling of 44120013 in words is "forty-four million, one hundred twenty thousand, thirteen".