12950551 has 2 divisors, whose sum is σ = 12950552. Its totient is φ = 12950550.

The previous prime is 12950519. The next prime is 12950557. The reversal of 12950551 is 15505921.

12950551 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12950551 - 2⁵ = 12950519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12950557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6475275 + 6475276.

It is an arithmetic number, because the mean of its divisors is an integer number (6475276).

Almost surely, 2^12950551 is an apocalyptic number.

12950551 is a deficient number, since it is larger than the sum of its proper divisors (1).

12950551 is an equidigital number, since it uses as much as digits as its factorization.

12950551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2250, while the sum is 28.

The square root of 12950551 is about 3598.6873995945. The cubic root of 12950551 is about 234.8349588127.

Adding to 12950551 its product of nonzero digits (2250), we get a square (12952801 = 3599²).

The spelling of 12950551 in words is "twelve million, nine hundred fifty thousand, five hundred fifty-one".