12151495 has 4 divisors (see below), whose sum is σ = 14581800. Its totient is φ = 9721192.

The previous prime is 12151483. The next prime is 12151501. The reversal of 12151495 is 59415121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59415121 = 43 ⋅1381747.

It is a cyclic number.

It is not a de Polignac number, because 12151495 - 2¹¹ = 12149447 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1215145 + ... + 1215154.

It is an arithmetic number, because the mean of its divisors is an integer number (3645450).

Almost surely, 2^12151495 is an apocalyptic number.

12151495 is a deficient number, since it is larger than the sum of its proper divisors (2430305).

12151495 is an equidigital number, since it uses as much as digits as its factorization.

12151495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2430304.

The product of its digits is 1800, while the sum is 28.

The square root of 12151495 is about 3485.8994535127. The cubic root of 12151495 is about 229.9022584063.

The spelling of 12151495 in words is "twelve million, one hundred fifty-one thousand, four hundred ninety-five".