12651077 has 8 divisors (see below), whose sum is σ = 13757976. Its totient is φ = 11584512.

The previous prime is 12651059. The next prime is 12651091. The reversal of 12651077 is 77015621.

It can be written as a sum of positive squares in 4 ways, for example, as 2910436 + 9740641 = 1706^2 + 3121^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12651077 - 2¹² = 12646981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12651097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9428 + ... + 10685.

It is an arithmetic number, because the mean of its divisors is an integer number (1719747).

Almost surely, 2^12651077 is an apocalyptic number.

12651077 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12651077 is a deficient number, since it is larger than the sum of its proper divisors (1106899).

12651077 is a wasteful number, since it uses less digits than its factorization.

12651077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20167.

The product of its (nonzero) digits is 2940, while the sum is 29.

The square root of 12651077 is about 3556.8352506125. The cubic root of 12651077 is about 233.0106830741.

Adding to 12651077 its reverse (77015621), we get a palindrome (89666698).

The spelling of 12651077 in words is "twelve million, six hundred fifty-one thousand, seventy-seven".