11752921 has 2 divisors, whose sum is σ = 11752922. Its totient is φ = 11752920.

The previous prime is 11752907. The next prime is 11752943. The reversal of 11752921 is 12925711.

11752921 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6864400 + 4888521 = 2620^2 + 2211^2 .

It is a cyclic number.

It is not a de Polignac number, because 11752921 - 2¹⁵ = 11720153 is a prime.

It is a super-3 number, since 3×11752921³ (a number of 22 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11752921.

It is not a weakly prime, because it can be changed into another prime (11752981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5876460 + 5876461.

It is an arithmetic number, because the mean of its divisors is an integer number (5876461).

Almost surely, 2^11752921 is an apocalyptic number.

It is an amenable number.

11752921 is a deficient number, since it is larger than the sum of its proper divisors (1).

11752921 is an equidigital number, since it uses as much as digits as its factorization.

11752921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1260, while the sum is 28.

The square root of 11752921 is about 3428.2533453641. The cubic root of 11752921 is about 227.3606343624.

It can be divided in two parts, 1175 and 2921, that added together give a 12-th power (4096 = 2¹²).

The spelling of 11752921 in words is "eleven million, seven hundred fifty-two thousand, nine hundred twenty-one".