24772013 has 4 divisors (see below), whose sum is σ = 28310880. Its totient is φ = 21233148.

The previous prime is 24772001. The next prime is 24772021. The reversal of 24772013 is 31027742.

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 a cyclic number.

It is not a de Polignac number, because 24772013 - 2¹² = 24767917 is a prime.

It is a super-2 number, since 2×24772013² = 1227305256144338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24772063) 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, 1769423 + ... + 1769436.

It is an arithmetic number, because the mean of its divisors is an integer number (7077720).

Almost surely, 2^24772013 is an apocalyptic number.

It is an amenable number.

24772013 is a deficient number, since it is larger than the sum of its proper divisors (3538867).

24772013 is an equidigital number, since it uses as much as digits as its factorization.

24772013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3538866.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 24772013 is about 4977.1490835618. The cubic root of 24772013 is about 291.5102073869.

Adding to 24772013 its reverse (31027742), we get a palindrome (55799755).

The spelling of 24772013 in words is "twenty-four million, seven hundred seventy-two thousand, thirteen".