12151408 has 10 divisors (see below), whose sum is σ = 23543384. Its totient is φ = 6075696.

The previous prime is 12151351. The next prime is 12151409. The reversal of 12151408 is 80415121.

12151408 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12151409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 379716 + ... + 379747.

Almost surely, 2^12151408 is an apocalyptic number.

It is an amenable number.

12151408 is a deficient number, since it is larger than the sum of its proper divisors (11391976).

12151408 is an equidigital number, since it uses as much as digits as its factorization.

12151408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759471 (or 759465 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 12151408 is about 3485.8869746450. The cubic root of 12151408 is about 229.9017097346.

Adding to 12151408 its reverse (80415121), we get a palindrome (92566529).

It can be divided in two parts, 121 and 51408, that added together give a square (51529 = 227²).

The spelling of 12151408 in words is "twelve million, one hundred fifty-one thousand, four hundred eight".