13192021 has 2 divisors, whose sum is σ = 13192022. Its totient is φ = 13192020.

The previous prime is 13192001. The next prime is 13192027. The reversal of 13192021 is 12029131.

13192021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12327121 + 864900 = 3511^2 + 930^2 .

It is a cyclic number.

It is not a de Polignac number, because 13192021 - 2¹⁵ = 13159253 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13192021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13192027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6596010 + 6596011.

It is an arithmetic number, because the mean of its divisors is an integer number (6596011).

Almost surely, 2^13192021 is an apocalyptic number.

It is an amenable number.

13192021 is a deficient number, since it is larger than the sum of its proper divisors (1).

13192021 is an equidigital number, since it uses as much as digits as its factorization.

13192021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 13192021 is about 3632.0821851935. The cubic root of 13192021 is about 236.2855217530.

The spelling of 13192021 in words is "thirteen million, one hundred ninety-two thousand, twenty-one".