11751013 has 4 divisors (see below), whose sum is σ = 11899840. Its totient is φ = 11602188.

The previous prime is 11751011. The next prime is 11751023. The reversal of 11751013 is 31015711.

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: 31015711 = 71 ⋅436841.

It is a cyclic number.

It is not a de Polignac number, because 11751013 - 2¹ = 11751011 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 (11751011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74295 + ... + 74452.

It is an arithmetic number, because the mean of its divisors is an integer number (2974960).

Almost surely, 2^11751013 is an apocalyptic number.

It is an amenable number.

11751013 is a deficient number, since it is larger than the sum of its proper divisors (148827).

11751013 is an equidigital number, since it uses as much as digits as its factorization.

11751013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148826.

The product of its (nonzero) digits is 105, while the sum is 19.

The square root of 11751013 is about 3427.9750582523. The cubic root of 11751013 is about 227.3483302561.

Adding to 11751013 its reverse (31015711), we get a palindrome (42766724).

The spelling of 11751013 in words is "eleven million, seven hundred fifty-one thousand, thirteen".