12152419 has 4 divisors (see below), whose sum is σ = 12792040. Its totient is φ = 11512800.

The previous prime is 12152417. The next prime is 12152443. The reversal of 12152419 is 91425121.

It is a happy number.

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 12152419 - 2¹ = 12152417 is a prime.

It is a super-2 number, since 2×12152419² = 295362575103122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12152393 and 12152402.

It is not an unprimeable number, because it can be changed into a prime (12152411) 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, 319782 + ... + 319819.

It is an arithmetic number, because the mean of its divisors is an integer number (3198010).

Almost surely, 2^12152419 is an apocalyptic number.

12152419 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12152419 is a deficient number, since it is larger than the sum of its proper divisors (639621).

12152419 is an equidigital number, since it uses as much as digits as its factorization.

12152419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639620.

The product of its digits is 720, while the sum is 25.

The square root of 12152419 is about 3486.0319849365. The cubic root of 12152419 is about 229.9080855165.

The spelling of 12152419 in words is "twelve million, one hundred fifty-two thousand, four hundred nineteen".