11273397 has 8 divisors (see below), whose sum is σ = 15915456. Its totient is φ = 7073472.

The previous prime is 11273389. The next prime is 11273399. The reversal of 11273397 is 79337211.

It is a happy number.

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

It is not a de Polignac number, because 11273397 - 2³ = 11273389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11273399) 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, 110473 + ... + 110574.

It is an arithmetic number, because the mean of its divisors is an integer number (1989432).

Almost surely, 2^11273397 is an apocalyptic number.

11273397 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

11273397 is a deficient number, since it is larger than the sum of its proper divisors (4642059).

11273397 is a wasteful number, since it uses less digits than its factorization.

11273397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221067.

The product of its digits is 7938, while the sum is 33.

The square root of 11273397 is about 3357.5879735310. The cubic root of 11273397 is about 224.2254652139.

The spelling of 11273397 in words is "eleven million, two hundred seventy-three thousand, three hundred ninety-seven".