12151276 has 6 divisors (see below), whose sum is σ = 21264740. Its totient is φ = 6075636.

The previous prime is 12151273. The next prime is 12151289. The reversal of 12151276 is 67215121.

It is a self number, because there is not a number n which added to its sum of digits gives 12151276.

It is not an unprimeable number, because it can be changed into a prime (12151273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1518906 + ... + 1518913.

Almost surely, 2^12151276 is an apocalyptic number.

It is an amenable number.

12151276 is a deficient number, since it is larger than the sum of its proper divisors (9113464).

12151276 is a wasteful number, since it uses less digits than its factorization.

12151276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3037823 (or 3037821 counting only the distinct ones).

The product of its digits is 840, while the sum is 25.

The square root of 12151276 is about 3485.8680411054. The cubic root of 12151276 is about 229.9008772622.

Adding to 12151276 its reverse (67215121), we get a palindrome (79366397).

The spelling of 12151276 in words is "twelve million, one hundred fifty-one thousand, two hundred seventy-six".