12770551 has 2 divisors, whose sum is σ = 12770552. Its totient is φ = 12770550.

The previous prime is 12770507. The next prime is 12770567. The reversal of 12770551 is 15507721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12770551 - 2⁷ = 12770423 is a prime.

It is equal to p₈₃₅₂₉₁ and since 12770551 and 835291 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12770581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6385275 + 6385276.

It is an arithmetic number, because the mean of its divisors is an integer number (6385276).

Almost surely, 2^12770551 is an apocalyptic number.

12770551 is a deficient number, since it is larger than the sum of its proper divisors (1).

12770551 is an equidigital number, since it uses as much as digits as its factorization.

12770551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2450, while the sum is 28.

The square root of 12770551 is about 3573.5907711992. The cubic root of 12770551 is about 233.7418867231.

The spelling of 12770551 in words is "twelve million, seven hundred seventy thousand, five hundred fifty-one".