12155363 has 4 divisors (see below), whose sum is σ = 13260408. Its totient is φ = 11050320.

The previous prime is 12155347. The next prime is 12155371. The reversal of 12155363 is 36355121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36355121 = 11 ⋅3305011.

It is a cyclic number.

It is not a de Polignac number, because 12155363 - 2⁴ = 12155347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12155863) 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, 552506 + ... + 552527.

It is an arithmetic number, because the mean of its divisors is an integer number (3315102).

Almost surely, 2^12155363 is an apocalyptic number.

12155363 is a deficient number, since it is larger than the sum of its proper divisors (1105045).

12155363 is a wasteful number, since it uses less digits than its factorization.

12155363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105044.

The product of its digits is 2700, while the sum is 26.

The square root of 12155363 is about 3486.4542159621. The cubic root of 12155363 is about 229.9266495778.

The spelling of 12155363 in words is "twelve million, one hundred fifty-five thousand, three hundred sixty-three".