12519949 has 8 divisors (see below), whose sum is σ = 13847960. Its totient is φ = 11244096.

The previous prime is 12519937. The next prime is 12519961. The reversal of 12519949 is 94991521.

12519949 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12519937) and next prime (12519961).

It can be written as a sum of positive squares in 4 ways, for example, as 220900 + 12299049 = 470^2 + 3507^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12519949 - 2¹³ = 12511757 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 (12519919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12534 + ... + 13495.

It is an arithmetic number, because the mean of its divisors is an integer number (1730995).

Almost surely, 2^12519949 is an apocalyptic number.

It is an amenable number.

12519949 is a deficient number, since it is larger than the sum of its proper divisors (1328011).

12519949 is a wasteful number, since it uses less digits than its factorization.

12519949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26079.

The product of its digits is 29160, while the sum is 40.

The square root of 12519949 is about 3538.3539958574. The cubic root of 12519949 is about 232.2028361355.

The spelling of 12519949 in words is "twelve million, five hundred nineteen thousand, nine hundred forty-nine".