12153287 has 4 divisors (see below), whose sum is σ = 12180000. Its totient is φ = 12126576.

The previous prime is 12153247. The next prime is 12153299. The reversal of 12153287 is 78235121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12153287 - 2¹² = 12149191 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 (12153247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12662 + ... + 13587.

It is an arithmetic number, because the mean of its divisors is an integer number (3045000).

Almost surely, 2^12153287 is an apocalyptic number.

12153287 is a deficient number, since it is larger than the sum of its proper divisors (26713).

12153287 is an equidigital number, since it uses as much as digits as its factorization.

12153287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26712.

The product of its digits is 3360, while the sum is 29.

The square root of 12153287 is about 3486.1564795631. The cubic root of 12153287 is about 229.9135591995.

The spelling of 12153287 in words is "twelve million, one hundred fifty-three thousand, two hundred eighty-seven".