12743419 has 8 divisors (see below), whose sum is σ = 13753712. Its totient is φ = 11737440.

The previous prime is 12743413. The next prime is 12743431. The reversal of 12743419 is 91434721.

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

It is not a de Polignac number, because 12743419 - 2²³ = 4354811 is a prime.

It is a super-2 number, since 2×12743419² = 324789455619122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12743413) 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, 7852 + ... + 9334.

It is an arithmetic number, because the mean of its divisors is an integer number (1719214).

Almost surely, 2^12743419 is an apocalyptic number.

12743419 is a deficient number, since it is larger than the sum of its proper divisors (1010293).

12743419 is a wasteful number, since it uses less digits than its factorization.

12743419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2157.

The product of its digits is 6048, while the sum is 31.

The square root of 12743419 is about 3569.7925710047. The cubic root of 12743419 is about 233.5762352580.

The spelling of 12743419 in words is "twelve million, seven hundred forty-three thousand, four hundred nineteen".