11927401 has 2 divisors, whose sum is σ = 11927402. Its totient is φ = 11927400.

The previous prime is 11927371. The next prime is 11927413. The reversal of 11927401 is 10472911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10240000 + 1687401 = 3200^2 + 1299^2 .

It is a cyclic number.

It is not a de Polignac number, because 11927401 - 2⁵ = 11927369 is a prime.

It is a super-2 number, since 2×11927401² = 284525789229602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11927471) 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, 5963700 + 5963701.

It is an arithmetic number, because the mean of its divisors is an integer number (5963701).

Almost surely, 2^11927401 is an apocalyptic number.

11927401 is the 1545-th centered decagonal number.

It is an amenable number.

11927401 is a deficient number, since it is larger than the sum of its proper divisors (1).

11927401 is an equidigital number, since it uses as much as digits as its factorization.

11927401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 11927401 is about 3453.6069550544. The cubic root of 11927401 is about 228.4802192448.

The spelling of 11927401 in words is "eleven million, nine hundred twenty-seven thousand, four hundred one".