11393951 has 2 divisors, whose sum is σ = 11393952. Its totient is φ = 11393950.

The previous prime is 11393929. The next prime is 11393959. The reversal of 11393951 is 15939311.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11393951 - 2¹⁸ = 11131807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11393959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5696975 + 5696976.

It is an arithmetic number, because the mean of its divisors is an integer number (5696976).

Almost surely, 2^11393951 is an apocalyptic number.

11393951 is a deficient number, since it is larger than the sum of its proper divisors (1).

11393951 is an equidigital number, since it uses as much as digits as its factorization.

11393951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3645, while the sum is 32.

The square root of 11393951 is about 3375.4927047766. The cubic root of 11393951 is about 225.0218974573.

The spelling of 11393951 in words is "eleven million, three hundred ninety-three thousand, nine hundred fifty-one".