12449019 has 16 divisors (see below), whose sum is σ = 18180864. Its totient is φ = 7514400.

The previous prime is 12448987. The next prime is 12449023. The reversal of 12449019 is 91094421.

It is not a de Polignac number, because 12449019 - 2⁵ = 12448987 is a prime.

It is a super-2 number, since 2×12449019² = 309956148124722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12449029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9657 + ... + 10869.

It is an arithmetic number, because the mean of its divisors is an integer number (1136304).

Almost surely, 2^12449019 is an apocalyptic number.

12449019 is a deficient number, since it is larger than the sum of its proper divisors (5731845).

12449019 is a wasteful number, since it uses less digits than its factorization.

12449019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1538.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 12449019 is about 3528.3167374826. The cubic root of 12449019 is about 231.7635013180.

The spelling of 12449019 in words is "twelve million, four hundred forty-nine thousand, nineteen".