12071493 has 36 divisors (see below), whose sum is σ = 20961408. Its totient is φ = 6667920.

The previous prime is 12071489. The next prime is 12071503. The reversal of 12071493 is 39417021.

It is not a de Polignac number, because 12071493 - 2² = 12071489 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12071443) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 13230 + ... + 14112.

Almost surely, 2^12071493 is an apocalyptic number.

It is an amenable number.

12071493 is a deficient number, since it is larger than the sum of its proper divisors (8889915).

12071493 is a wasteful number, since it uses less digits than its factorization.

12071493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934 (or 924 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 12071493 is about 3474.4054167584. The cubic root of 12071493 is about 229.3966099863.

The spelling of 12071493 in words is "twelve million, seventy-one thousand, four hundred ninety-three".